201490640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193741}}^1$

素因数の和:193767

約数の個数: 40

約数和(自身を含む): 504504168

約数和(自身を除く): 303013528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 193741, 387482, 774964, 968705, 1549928, 1937410, 2518633, 3099856, 3874820, 5037266, 7749640, 10074532, 12593165, 15499280, 20149064, 25186330, 40298128, 50372660, 100745320, 201490640]

約数ペア:

[(1, 201490640), (2, 100745320), (4, 50372660), (5, 40298128), (8, 25186330), (10, 20149064), (13, 15499280), (16, 12593165), (20, 10074532), (26, 7749640), (40, 5037266), (52, 3874820), (65, 3099856), (80, 2518633), (104, 1937410), (130, 1549928), (208, 968705), (260, 774964), (520, 387482), (1040, 193741)]